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HEDP

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HEDP

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

[CAS] 2809-21-4 Dequest:2010

Molecular Formula: C₂H₈O₇P₂ Molecular weight: 206

Structural Formula:

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

Properties:

This product is an organophosphoric acid corrosion inhibitor, It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds, thus it can dissolve the oxidized materials on these metalsâ€™ surfaces. HEDP shows excellent antiscale corrosion inhibition effects under temperature 250℃. It has good stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions.

Usage:

This product is widely used in circulating cool water system, oil field water pipelines and low-pressure boilers for antiscale corrosion inhibition in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light weaven industry, this product is used as detergent for metal and nonmetal. In dyeing industry, this product is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, this product is used as chelating agent.


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[Contact Information]

Posted by

narrisa

e-Mail

For registered Members only.

Company

Shandong Taihe Water Treatment Co., Ltd.

Address

Xiwangzhuang town, Shizhong district,

City & ZIP

Zaozhuang 277103

Country

China

Phone

For registered Members only.

Fax

For registered Members only.

Interest

Company Profile

Shandong TAIHE water treatment Co., Ltd. (former Zaozhuang TAIHE chemical factory) is located in Zaozhuang city, south of Shandong province. The company was founded in 1998. More than 10 series and several tens of kinds of water treatment agents can be produced. The total yield can reach to more than 20,000 tons now, one of the specialized water treatment agent factory in China, can produce almost all kinds of the water treatment agents. There are specialized syntheses and engineering application laboratory in our company, a group of hardworking professionals do research works on development and engineering application related to water treatment agents. Through several years hardworking, the product families include anticale agent, corrosion inhibitor, biocide agent, cleaning agent, pretreatment filming agent, chelating agent, dispersant and etc., covering a wide ranges from single to complex agents. The products are widely used in fields such as electric power, chemical industry, petrochemical, metallurgy, papermaking, dying and finishing auxiliaries for textile, ceramic, construction materials and wastewater treatment. The products are widely sold all over the word. Besides ordinary liquid products, some solid products such as some organophosphoric acid and thier sodium salt are developed recently in our factory, including high pure grade and ordinary grade to satisfy the need of different fields. Also, some polymer solid products have been developed, batch production will be on sale soon. 　 Devote to producing water treatment agents, preferably to be a workshop of water treatment field. 　 Ideal clients: fellow trader of water treatment agents and intermediary business, not terminal business. 　 Free supply services of water quality analysis, prescription screening, operation planning draft and spot supervision. 　 Supply new product development and trial-produce, make product on client order, and do process work on client demand. 　 Obtain ISO9001:2000 quality management system certificate, and make sure quality stable. 　 Quality control division makes sure each batch of products quality stable, the qualification pass ratio is sure to be 100%.

URL

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Keywords

water treatment agent antisclant corrosion inhibitor

Product Specifications

items index
Appearance Colorless or light yellow transparent liquid White crystal powder
Active content(HEDP)% 58.0-62.0 89.0 min
Phosphorous acid(as PO33-)% 2.0 max 0.5 max
Phosphoric acid (asPO43-)% 0.8 max 0.5 max
Chloride (as Cl-)% 0.01 max 0.01 max
pH(1% solution) 2 max 2 max
Density (20℃)g/cm3 1.40 -
Ca Chelating value mg/g 500 min -
Fe ion ppm 10 max 20 max
Colour APHA (Hazen) 40 min -

Industry Category

fine chemical

Quality/Safety Certifications

Delivery Lead Time

7days

Payment & Price Terms

L/c

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Customers

worldwide

Company History

Estimated Annual Sales

Number of Employees

Person in Charge

Web Site

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Similer Products

HEDP

Product Details

Product id

205867

Visits

387

Date

2007.08.10